KR20100057206A

KR20100057206A - A mold assembly

Info

Publication number: KR20100057206A
Application number: KR1020080116125A
Authority: KR
Inventors: 김정수
Original assignee: 한국단자공업 주식회사
Priority date: 2008-11-21
Filing date: 2008-11-21
Publication date: 2010-05-31

Abstract

PURPOSE: A mold assembly is provided to improve work efficiency by enabling an operator to easily couple or separate a first and a second plate using a locking member. CONSTITUTION: A mold assembly comprises a first and a second plate(38), an ejector plate(36), and a locking member(50). The first and the second plate are installed on the fixed plate(22) of a fixed side and the movable plate(30) of a movable side of a molding machine(20), respectively. The first and the second plate have a first and a second core, respectively. The second core forms a space corresponding to the shape of a product with the first core. An ejector plate is movably installed between the movable plate and the second plate. When the fixed plate and the movable plate are separated from a molding machine, the locking member is hung to couple the first and the second plate. When the fixed plate and the movable plate are mounted on the molding machine, the locking member is rotated by the molding machine and released.

Description

A mold assembly

The present invention relates to a mold assembly, and more particularly, to a mold assembly in which the template of the mold assembly is detached from each other.

In general, the mold assembly is molded by injecting and solidifying the molten resin into the cavity formed therein, thereby forming a product. More precisely, the mold assembly is divided into a fixed side and a movable side, and the fixed side and the movable side are provided with a shape core for forming a cavity corresponding to the shape of the product. When the resin injected into the cavity formed between the shape cores is solidified, the product is taken out while the two are separated.

1 is a cross-sectional view showing the configuration of a mold assembly according to the prior art.

According to this, on one side of the mold assembly is provided with a fixed side plate (3) installed on the fixed side of the molding machine (1). On the opposite side of the fixed side plate 3, a movable side plate 7 is provided. The movable side plate 7 is installed on the movable side of the molding machine 1.

One surface of the fixed side plate 3 is provided with a first mold plate (5). One side of the first mold 5 is provided with a first core (not shown) corresponding to a part of the outer surface of the product made from the mold assembly.

An injection hole (not shown) is formed through one side of the fixed side plate 3. The injection port is a portion to which a synthetic resin, which is a material of a product, is supplied. A locating ring 6 serving as a guide for mounting the fixed side plate 3 surrounding the injection hole on the fixed side of the molding machine 1 is provided.

The movable side plate 7 is provided with a spacer block 9 seated on one surface of the movable side plate 7. At least two spacer blocks 9 are provided to form a moving space 10 between the movable side plate 7 and the second mold plate 16 to be described below.

The movable plate 10 is provided with a movable plate 11 which is provided to face one surface of the movable side plate 7 to be movable. The plate 11 serves to separate the product made by operating the eject pin (not shown) from the second core.

The second mold plate 16 is detachably provided on one surface of the first mold plate 5. The second template 16 is provided with a second core (not shown) for forming one product shape in cooperation with the first core.

The first mold plate 5 and the second mold plate 9 are coupled to each other by a bracket 13. That is, the first mold plate 5 and the second mold plate 9 are coupled to each other by bolts 15 fastened to the bracket 13 so as not to be separated during the movement of the mold assembly.

However, the above-described prior art has the following problems.

When the mold assembly is separated from the molding machine 1, the first mold plate 5 and the second mold plate 9 should be coupled to each other when moving. Therefore, as described above, the operator directly fastens the bolt 15 so that the fixed side and the movable side are coupled.

In addition, after the mold assembly is coupled to the molding machine 1, the first mold plate 5 and the second mold plate 9 should be separated from each other so that a product can be taken out. ) Must be separated. As such, since the operator must perform the coupling and separation work of the first template 5 and the second template 9, there is a problem of poor workability.

Accordingly, an object of the present invention is to solve the problems of the prior art as described above, and to facilitate the coupling and separation of the fixed side and the movable side of the mold assembly.

Technical problems to be achieved by the present invention are not limited to the above-mentioned technical problems, and other technical problems not mentioned above will be clearly understood by those skilled in the art from the following description. Could be.

According to a feature of the present invention for achieving the object as described above, the present invention is provided on a fixed side plate provided on the fixed side of the molding machine, the first mold plate is provided with a first core having a shape corresponding to the shape of the product and ; A second mold plate provided on the movable side plate installed at the movable side of the molding machine and selectively coupled to the first mold plate, and having a second core cooperating with the first core to create a space corresponding to the shape of the product; A wheat plate movably installed between the movable side plate and the second mold plate; It is rotatably installed on the fixed side plate or the movable side plate when the fixed side plate and the movable side plate is separated from the molding machine so that the other end is engaged so that the first and second mold plates are coupled, and the fixed side plate to the molding machine Or a locking member that is rotated by the molding machine to release the locking when the movable side plate is mounted.

The locking member is rotatably installed on a rotation pin provided on one side of the fixed side plate.

The front end of the locking member is selectively hooked to the locking pin provided in the second template.

The locking member, the body portion; A catch portion provided at one end of the body portion and selectively hooked to the catch pin; It extends perpendicularly from the other end of the body portion, it characterized in that it comprises a rotating part rotatably installed on the rotary pin.

The locking portion is characterized in that the locking surface to be hooked to the locking pin is formed concave.

The locking member is formed to protrude with respect to the outer surface of the fixed side plate is characterized in that the pressing is rotated by the molding machine when mounted on the molding machine.

The locking member is characterized in that it is provided with an elastic member for providing an elastic force in the direction in which the locking member is engaged with the locking pin.

In the present invention, the locking member is rotatably installed on the fixed side plate or the movable side plate for coupling and disengaging the first die plate and the second die plate of the mold assembly, and the locking pin is selectively hanged at the front end thereof. The locking member is engaged with the engaging pin when the mold assembly is separated from the molding machine so that the first and second mold plates are coupled, and when the mold assembly is mounted on the molding machine, the locking member is rotated by the molding machine to separate the first and second mold plates. As such, the locking member is easily coupled and separated from the first and second mold plates of the mold assembly, thereby improving workability.

Hereinafter, a preferred embodiment of the mold assembly according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a cross-sectional view showing the configuration of a preferred embodiment of the mold assembly according to the present invention, Figure 3 is a cross-sectional view showing that the template is bonded to each other in the mold assembly according to the present invention.

As shown in these figures, the stationary side plate 22 is provided on the stationary side of the molding machine 20. The fixed side plate 22 has a plate shape having a predetermined area, and a first mold plate 24 is installed on one surface thereof. The first mold 24 is provided with a first core (not shown) formed to correspond to a part of the outer surface of the product. The first core is a part for producing a product in cooperation with the second core to be described below. The first template 24 is selectively coupled with the second template 38 to be described below.

A locating ring 26 is provided on the opposite side of the fixed side plate 22 provided with the first mold plate 24. The locating ring 26 is a portion for fixing the fixed side plate 22 to the molding machine 20 on the fixed side. An injection hole (not shown) is provided at the center of the locating ring 26. The injection hole is a portion for supplying the molten synthetic resin in the space made by the first core and the second core.

The movable side plate 30 is provided on the movable side of the molding machine 20. The part provided in the said movable side plate 30 and moved together is called a movable side. The movable side plate 30 has a plate shape having an area corresponding to the fixed side plate 22.

The movable side plate 30 is provided with a spacer block 32 seated on one surface of the movable side plate 30. At least two spacer blocks 32 are provided to form a moving space 34 between the movable side plate 30 and the second mold plate 38 to be described below.

The moving space 34 is provided with a movable plate 36 which is provided to face one surface of the movable side plate 30 to be movable. The plate 36 is to be able to separate the product made by the core.

On the spacer block 32, a second template 38 is provided to face the first template 24. The first mold plate 24 and the second mold plate 38 are in close contact with each other when the product is molded, and are separated from each other when the molded product is taken out. This is done by moving the movable side of the molding machine 20 relative to the fixed side.

The second mold plate 38 is provided with a second core (not shown) corresponding to the first core. The second core is formed in a size corresponding to a position corresponding to the first core in order to form the shape of one product in cooperation with the first core. The second template 38 is selectively coupled by a locking member 50 to be described below.

A locking pin 40 protrudes from the second mold plate 38. The locking pin 40 is a portion in which the locking portion 54 of the locking member 50 is selectively hooked, and the locking portion 54 is hooked to the locking pin 40 so that the first and second shape plates 24 are supported. , 38) is made. In the present embodiment, the second pin 38 has been described as having the locking pin 40, but the present invention is not limited thereto, and the locking pin 40 is provided on the first template 24 according to the position where the locking member 50 is installed. May be

Meanwhile, the locking member 50 is rotatably installed on the rotation pin 51 of the fixed side plate 22. The locking member 50 is engaged with the locking pins 40 so that the first and second mold plates 24 and 38 are coupled to each other. The outer body and the skeleton of the locking member 50 is formed by the body portion 52. The body portion 52 is formed in a bar shape having a predetermined length.

One end of the body portion 52 is provided with a locking portion (54). The locking portion 54 is a portion which is substantially hooked to the locking pin 40. The locking portion 54 extends perpendicular to the body portion 52. The surface directly contacting the locking pin 40 in the locking portion 54 forms a recessed surface 55 (see FIG. 3). The concave inlet surface 55 is formed to be concave in a curved shape corresponding to the shape of the locking pin 40 so that the locking pin 40 is not separated from the hooked state.

The other end of the body portion 52 is provided with a rotating portion 56. The rotating part 56 is provided to extend perpendicular to the other end of the body portion 52. The rotating part 56 is a part rotatably installed on the rotating pin 51.

On the other hand, the rotating part 56 is provided with an elastic member 58 is inserted into the outer peripheral surface of the rotary pin 51. The elastic member 58 provides an elastic force in a direction in which the locking portion 54 of the locking member 50 is engaged with the locking pin 40. The elastic member 58 is used a torsion spring or the like to provide an elastic force for rotation. The elastic member 58 mentioned above is not a necessary configuration in this embodiment, the operator directly rotates the locking member 50 without the elastic force of the elastic member 58, the locking portion 54 is a locking pin It may also be configured to walk on (40).

Hereinafter, the operation of the mold assembly according to the present invention having the configuration as described above in detail.

The mold assembly according to the present invention may be attached to or detached from the molding machine 20 as necessary. That is, in the state attached to the molding machine 20, the molding of the product is made and must be moved to the assembled state of the mold assembly in a state separated from the molding machine (20).

Substantially separated portions of the mold assembly are the first and second mold plates 24 and 38, so that the bonding is not separated between the two molds 24 and 38, so that the mold assembly can be maintained in a bonded state. In the present invention, the first and second mold plates 24 and 38 are coupled to each other by engaging the locking portion 54 of the locking member 50 by the locking pin 40.

When the locking member 50 is provided with the elastic member 58, the locking member 50 is rotated to be engaged with the locking pin 40 by the elastic force of the elastic member 58, so that the first and second shape plates 24 , 38) can be firmly combined. In addition, when the locking member 50 is not provided with the elastic member 58, the operator may rotate the locking member 50 so that the locking portion 54 is hooked to the locking pin 40. At this time, the concave indentation surface 55 of the locking portion 54 is corresponding to the shape of the locking pin 40, so that the first and second mold plates 24 and 38 can be firmly coupled.

As described above, the first and second mold plates 24 and 38 are coupled to each other and mounted to the molding machine 20 in a state in which the mold assembly is assembled. The state in which the mold assembly is mounted on the molding machine 20 is well illustrated in FIG. 3. When the mold assembly is mounted to the molding machine 20, a portion of the locking part material 50 protruding to the outside of the fixing side plate 22 is pressed against the fixing side of the molding machine 20 to rotate the locking member 50. Therefore, the locking member 50 is rotated in the clockwise direction with reference to the drawings, and the engaging portion 54 and the engaging pin 40 are released.

In this state, since the first and second mold plates 24 and 38 are separated from each other, the first and second mold plates 24 and 38 can be separated from each other after molding the product.

The scope of the present invention is not limited to the embodiments described above, but is defined by the claims, and various changes and modifications can be made by those skilled in the art within the scope of the claims. It is self evident.

For example, the locking member 50 is not necessarily installed on the fixed side plate 22 but may be installed on the movable side plate 30 according to design conditions. At this time, the locking pin 40 to which the locking portion 54 of the locking member 50 is hooked should be provided in the first mold plate 24.

Figure 2 is a cross-sectional view showing the configuration of a preferred embodiment of a mold assembly according to the present invention.

Figure 3 is a cross-sectional view showing that the template is bonded to each other in the mold assembly according to the present invention.

Explanation of symbols on the main parts of the drawings

20: molding machine 22: fixed side plate

24: 1st plate 26: locating ring

30: movable side plate 32: spacer block

34: moving space 36: plate

38: second type plate 40: locking pin

50: locking member 51: rotary pin

52: body portion 54: locking portion

55: recessed surface 56: the rotating part

58: elastic member

Claims

A first mold plate provided on the stationary side plate provided on the stationary side of the molding machine and having a first core having a shape corresponding to the shape of the product;

A second mold plate provided on the movable side plate installed at the movable side of the molding machine and selectively coupled to the first mold plate, and having a second core cooperating with the first core to create a space corresponding to the shape of the product;

A wheat plate movably installed between the movable side plate and the second mold plate;

It is rotatably installed on the fixed side plate or the movable side plate when the fixed side plate and the movable side plate is separated from the molding machine so that the other end is engaged so that the first and second mold plates are coupled, and the fixed side plate to the molding machine Or a locking member which is rotated by the molding machine to be released when the movable side plate is mounted.

The method of claim 1,

The locking member is a mold assembly, characterized in that rotatably installed on the rotation pin provided on one side of the fixed side plate.

The method of claim 2,

A front end of the locking member is a mold assembly, characterized in that the hook is selectively hooked to the second pin.

The method of claim 3, wherein

The locking member,

A body portion;

A catch portion provided at one end of the body portion and selectively hooked to the catch pin;

Mold assembly, characterized in that it comprises a rotating portion which extends perpendicularly from the other end of the body portion, rotatably installed on the rotary pin.

The method of claim 4, wherein

Molding assembly, characterized in that the engaging portion is formed by the engaging surface to be hooked to the locking pin.

6. The method according to any one of claims 1 to 5,

The locking member is formed to protrude relative to the outer surface of the fixed side plate, the mold assembly, characterized in that is pressed by the molding machine to rotate when mounted on the molding machine.

The method of claim 6,

The locking member is a mold assembly, characterized in that the elastic member for providing an elastic force in the direction in which the locking member is engaged with the locking pin.